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Finding the Fourth Proportional to 108,705.83, 163,105.68 and 58,821.08

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Solution

The fourth proportional to 108,705.83, 163,105.68 and 58,821.08 is: 88,257.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,705.83 : 163,105.68 = 58,821.08 : x
  2. Step 2: Convert to fraction form
    108,705.83/163,105.68 = 58,821.08/x
  3. Step 3: Cross multiply
    108,705.83x = 163,105.68 × 58,821.08
  4. Step 4: Simplify right side
    108,705.83x = 9,594,051,436.21
  5. Step 5: Solve for x
    x = 9,594,051,436.21/108,705.83
  6. Step 6: Final answer
    x = 88,257.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.